Auto Top Off - New Laser Cut Units -Aquarium Filter Cast construction - For Aquariums, Reef Systems and Refugiums All cell cast acrylic - 1/4" material. - Fully warranted- Red top, Black back and bottom and white body Unit is Double sealed and guaranteed not to leak. Parts are LASER CUT out. 2 holes for power cords / hoses and 4 probe holders. 15x12x15 High and 11 gallon capacity -Handcrafted in America